/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.musicmod.android;

import org.musicmod.android.util.MusicUtils;

import android.app.Activity;
import android.database.Cursor;
import android.media.AudioManager;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.provider.MediaStore;
import android.view.Window;
import android.view.WindowManager;

public class ScanningProgress extends Activity {

	private final static int CHECK = 0;
	private Handler mHandler = new Handler() {

		@Override
		public void handleMessage(Message msg) {

			if (msg.what == CHECK) {
				String status = Environment.getExternalStorageState();
				if (!status.equals(Environment.MEDIA_MOUNTED)) {
					// If the card suddenly got unmounted again, there's
					// really no need to keep waiting for the media scanner.
					finish();
					return;
				}
				Cursor c = MusicUtils.query(ScanningProgress.this,
						MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI, null, null, null, null);
				if (c != null) {
					// The external media database is now ready for querying
					// (though it may still be in the process of being filled).
					c.close();
					setResult(RESULT_OK);
					finish();
					return;
				}
				Message next = obtainMessage(CHECK);
				sendMessageDelayed(next, 3000);
			}
		}
	};

	@Override
	public void onCreate(Bundle icicle) {

		super.onCreate(icicle);
		setVolumeControlStream(AudioManager.STREAM_MUSIC);

		requestWindowFeature(Window.FEATURE_NO_TITLE);
		setContentView(R.layout.scanning);
		getWindow().setLayout(WindowManager.LayoutParams.WRAP_CONTENT,
				WindowManager.LayoutParams.WRAP_CONTENT);
		setResult(RESULT_CANCELED);

		Message msg = mHandler.obtainMessage(CHECK);
		mHandler.sendMessageDelayed(msg, 1000);
	}

	@Override
	public void onDestroy() {

		mHandler.removeMessages(CHECK);
		super.onDestroy();
	}
}
